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过冬莴笋种植技术
更新时间: 2021-03-15 10:59:13  

1、播种育苗。采用遮阳网地面覆盖降温保湿,出苗后即去掉覆盖物,苗齐后,保持苗距3~4厘米进行间苗,可追施一次0.3%尿素液,促进幼苗生长。

2、整地施肥。定植前要翻耕烤地5~7天,结合翻地每亩施优质有机肥5000千克以上、磷酸二铵50千克、硫酸钾15千克做基肥。

3、定植时间:越冬莴笋的苗龄控制在30~40天,4~5片叶以上,10月下旬至11月定植。定植规格。株行距33~40厘米,一般尖叶种密度大于圆叶种。

4、定植方法:定植前一天,保持床土湿润,并覆盖地膜,幼苗多带泥土,少伤根。定植应选择晴天进行,栽植深度要将根部全部埋入土中,不可过深压住心叶,将土稍压紧使根部与土壤充分密接。

关键词: 过冬 莴笋 种植 技术

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